Defer playcount and rating tag writes for currently playing Ogg songs

Fixes #1816

src/collection/collectionlibrary.cpp

@@ -2,7 +2,7 @@
  * Strawberry Music Player
  * This file was part of Clementine.
  * Copyright 2010, David Sansome <me@davidsansome.com>
- * Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
+ * Copyright 2018-2025, Jonas Kvinge <jonas@jkvinge.net>
  *
  * Strawberry is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -189,6 +189,26 @@ void CollectionLibrary::ReloadSettings() {
 
 }
 
+void CollectionLibrary::CurrentSongChanged(const Song &song) {
+
+  current_song_url_ = song.url();
+
+  if (!pending_song_saves_.isEmpty()) {
+    SavePendingPlaycountsAndRatings();
+  }
+
+}
+
+void CollectionLibrary::Stopped() {
+
+  current_song_url_ = QUrl();
+
+  if (!pending_song_saves_.isEmpty()) {
+    SavePendingPlaycountsAndRatings();
+  }
+
+}
+
 void CollectionLibrary::SyncPlaycountAndRatingToFilesAsync() {
 
   (void)QtConcurrent::run(&CollectionLibrary::SyncPlaycountAndRatingToFiles, this);
@@ -212,18 +232,85 @@ void CollectionLibrary::SyncPlaycountAndRatingToFiles() {
 
 }
 
-void CollectionLibrary::SongsPlaycountChanged(const SongList &songs, const bool save_tags) const {
+void CollectionLibrary::SongsPlaycountChanged(const SongList &songs, const bool save_tags) {
 
   if (save_tags || save_playcounts_to_files_) {
-    tagreader_client_->SaveSongsPlaycountAsync(songs);
+    SongList songs_to_save_now;
+    for (const Song &song : songs) {
+      if (song.url().isLocalFile() && song.url() == current_song_url_ &&
+          (song.filetype() == Song::FileType::OggFlac || song.filetype() == Song::FileType::OggVorbis || song.filetype() == Song::FileType::OggOpus)) {
+        qLog(Debug) << "Deferring playcount save for currently playing file" << song.url().toLocalFile();
+        if (pending_song_saves_.contains(song.url())) {
+          SharedPtr<PendingSongSave> pending_song_save = pending_song_saves_[song.url()];
+          pending_song_save->save_playcount = true;
+          pending_song_save->song.set_playcount(song.playcount());
+        }
+        else {
+          SharedPtr<PendingSongSave> pending_song_save = make_shared<PendingSongSave>();
+          pending_song_save->save_playcount = true;
+          pending_song_save->song = song;
+          pending_song_saves_.insert(song.url(), pending_song_save);
+        }
+      }
+      else {
+        songs_to_save_now << song;
+      }
+    }
+    if (!songs_to_save_now.isEmpty()) {
+      tagreader_client_->SaveSongsPlaycountAsync(songs_to_save_now);
+    }
   }
 
 }
 
-void CollectionLibrary::SongsRatingChanged(const SongList &songs, const bool save_tags) const {
+void CollectionLibrary::SongsRatingChanged(const SongList &songs, const bool save_tags) {
 
   if (save_tags || save_ratings_to_files_) {
-    tagreader_client_->SaveSongsRatingAsync(songs);
+    SongList songs_to_save_now;
+    for (const Song &song : songs) {
+      if (song.url().isLocalFile() && song.url() == current_song_url_ &&
+          (song.filetype() == Song::FileType::OggFlac || song.filetype() == Song::FileType::OggVorbis || song.filetype() == Song::FileType::OggOpus)) {
+        qLog(Debug) << "Deferring rating save for currently playing file" << song.url().toLocalFile();
+        if (pending_song_saves_.contains(song.url())) {
+          SharedPtr<PendingSongSave> pending_song_save = pending_song_saves_[song.url()];
+          pending_song_save->save_rating = true;
+          pending_song_save->song.set_rating(song.rating());
+        }
+        else {
+          SharedPtr<PendingSongSave> pending_song_save = make_shared<PendingSongSave>();
+          pending_song_save->save_rating = true;
+          pending_song_save->song = song;
+          pending_song_saves_.insert(song.url(), pending_song_save);
+        }
+      }
+      else {
+        songs_to_save_now << song;
+      }
+    }
+    if (!songs_to_save_now.isEmpty()) {
+      tagreader_client_->SaveSongsRatingAsync(songs_to_save_now);
+    }
+  }
+
+}
+
+void CollectionLibrary::SavePendingPlaycountsAndRatings() {
+
+  for (auto it = pending_song_saves_.constBegin(); it != pending_song_saves_.constEnd();) {
+    const QUrl url = it.key();
+    SharedPtr<PendingSongSave> pending_song_save = it.value();
+    if (url == current_song_url_) {
+      ++it;
+      continue;
+    }
+    qLog(Debug) << "Saving deferred playcount/rating for" << url.toLocalFile();
+    if (pending_song_save->save_playcount) {
+      tagreader_client_->SaveSongsPlaycountAsync(SongList() << pending_song_save->song);
+    }
+    if (pending_song_save->save_rating) {
+      tagreader_client_->SaveSongsRatingAsync(SongList() << pending_song_save->song);
+    }
+    it = pending_song_saves_.erase(it);
   }
 
 }

src/collection/collectionlibrary.h

@@ -2,7 +2,7 @@
  * Strawberry Music Player
  * This file was part of Clementine.
  * Copyright 2010, David Sansome <me@davidsansome.com>
- * Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
+ * Copyright 2018-2025, Jonas Kvinge <jonas@jkvinge.net>
  *
  * Strawberry is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -27,6 +27,7 @@
 #include <QObject>
 #include <QList>
 #include <QHash>
+#include <QMap>
 #include <QString>
 
 #include "includes/shared_ptr.h"
@@ -71,6 +72,7 @@ class CollectionLibrary : public QObject {
 
  private:
   void SyncPlaycountAndRatingToFiles();
+  void SavePendingPlaycountsAndRatings();
 
  public Q_SLOTS:
   void ReloadSettings();
@@ -84,16 +86,26 @@ class CollectionLibrary : public QObject {
 
   void IncrementalScan();
 
+  void CurrentSongChanged(const Song &song);
+  void Stopped();
+
  private Q_SLOTS:
   void ExitReceived();
-  void SongsPlaycountChanged(const SongList &songs, const bool save_tags = false) const;
-  void SongsRatingChanged(const SongList &songs, const bool save_tags = false) const;
+  void SongsPlaycountChanged(const SongList &songs, const bool save_tags = false);
+  void SongsRatingChanged(const SongList &songs, const bool save_tags = false);
 
  Q_SIGNALS:
   void Error(const QString &error);
   void ExitFinished();
 
  private:
+  class PendingSongSave {
+   public:
+    Song song;
+    bool save_playcount = false;
+    bool save_rating = false;
+  };
+
   const SharedPtr<TaskManager> task_manager_;
   const SharedPtr<TagReaderClient> tagreader_client_;
 
@@ -111,6 +123,10 @@ class CollectionLibrary : public QObject {
 
   bool save_playcounts_to_files_;
   bool save_ratings_to_files_;
+
+  QUrl current_song_url_;
+
+  QMap<QUrl, SharedPtr<PendingSongSave>> pending_song_saves_;
 };
 
 #endif

src/core/mainwindow.cpp

@@ -696,6 +696,9 @@ MainWindow::MainWindow(Application *app,
   QObject::connect(&*app_->task_manager(), &TaskManager::PauseCollectionWatchers, &*app_->collection(), &CollectionLibrary::PauseWatcher);
   QObject::connect(&*app_->task_manager(), &TaskManager::ResumeCollectionWatchers, &*app_->collection(), &CollectionLibrary::ResumeWatcher);
 
+  QObject::connect(&*app_->playlist_manager(), &PlaylistManager::CurrentSongChanged, &*app_->collection(), &CollectionLibrary::CurrentSongChanged);
+  QObject::connect(&*app_->player(), &Player::Stopped, &*app_->collection(), &CollectionLibrary::Stopped);
+
   QObject::connect(&*app_->playlist_manager(), &PlaylistManager::CurrentSongChanged, &*app_->current_albumcover_loader(), &CurrentAlbumCoverLoader::LoadAlbumCover);
   QObject::connect(&*app_->current_albumcover_loader(), &CurrentAlbumCoverLoader::AlbumCoverLoaded, this, &MainWindow::AlbumCoverLoaded);
   QObject::connect(album_cover_choice_controller_, &AlbumCoverChoiceController::Error, this, &MainWindow::ShowErrorDialog);